litex/examples/memory.py

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2012-01-27 14:22:17 -05:00
from migen.fhdl.structure import *
from migen.fhdl import verilog
d = 100
d_b = bits_for(d-1)
w = 32
a1 = Signal(BV(d_b))
d1 = Signal(BV(w))
we1 = Signal(BV(4))
dw1 = Signal(BV(w))
p1 = MemoryPort(a1, d1, we1, dw1, we_granularity=8, mode=WRITE_FIRST)
a2 = Signal(BV(d_b))
d2 = Signal(BV(w))
p2 = MemoryPort(a2, d2)
mem = Memory(w, d, p1, p2, init=[5, 18, 32])
f = Fragment(memories=[mem])
v = verilog.convert(f, ios={a1, d1, we1, dw1, a2, d2})
print(v)